July 2 – The United States Civil Rights Act of 1964 is enacted.

July 6 – Malawi receives its independence from the United Kingdom.

July 18 - Six days of race riots begin in Harlem, New York, United States, apparently prompted by the shooting of a teenager.

Judith Graham Pool publishes her discovery of cryoprecipitate, a frozen blood clotting product made from plasma primarily to treat hemophiliacs around the world.

July 19 – At a rally in Saigon, South Vietnamese Prime Minister and military leader Nguyễn Khánh calls for expanding the war into North Vietnam.

July 20 - Viet Cong forces attack a provincial capital, killing 11 South Vietnamese military personnel and 40 civilians (30 of which are children). The National Movement of the Revolution is established in the Republic of the Congo, becoming the country's sole legal political party.

July 21 – Race riots begin in Singapore between ethnic Chinese and Malays.

July 22 – The second meeting of the Organisation of African Unity is held.

July 24 – A minor criticality accident takes place at a United Nuclear Corporation Fuels recovery plant in Wood River Junction, Rhode Island, United States, causing the death of one worker.

July 27 – The U.S. sends 5,000 more military advisers to South Vietnam, bringing the total number of United States forces in Vietnam to 21,000.

July 31 – Ranger 7 sends back the first close-up photographs of the Moon (images are 1,000 times clearer than anything ever seen from Earth-bound telescopes). (source: Wikipedia)